<?php
class Foo
{
public static $my_static = 'foo';
public function staticValue() {
return self::$my_static;
}
}
class Bar extends Foo
{
public function fooStatic() {
return parent::$my_static;
}
}
print Foo::$my_static . " ";
$foo = new Foo();
print $foo->staticValue() . " ";
print $foo->my_static . " "; // Undefined "Property" my_static
print $foo::$my_static . " ";
$classname = 'Foo';
print $classname::$my_static . " "; // PHP 5.3.0之后可以动态调用
print Bar::$my_static . " ";
$bar = new Bar();
print $bar->fooStatic() . " ";
?>
<?php
class Foo {
public static function aStaticMethod() {
// ...
}
}
Foo::aStaticMethod();
$classname = 'Foo';
$classname::aStaticMethod(); // As of PHP 5.3.0
?>
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